For the following questions answer them individually
The price of a car increases successively by 5%, 10% and 20%, respectively. What is the equivalent change in the price?
A river is running at 2 kmph. A boat goes 40 km upstream from A to B and also returns back from B to A in total 10 hours. The speed of the boat in still water is:
A trader gives two successive discounts of 18% and 20%. If the marked price is ₹11,000, then the selling price is:
In a race of 1000 m, John beats Khan by 120 m. If the speed of John is 40 km/h, then the speed of Khan is:
A can repair 11 benches in an hour and B can repair 5 benches in an hour. Determine how much time they will require to repair 64 benches when they work together?
Akash can do a piece of work in 21 days and Diya can do the same work in 63 days. Find the time required to complete the same work if they work on alternate days and Akash starts the work.
In two ways, a shopkeeper deceives his customer. He dilutes pure honey by 20% with water and raises the price of honey by 15%. He pays Rs.30 per kg for 40 kg of pure honey. What is his total profit from selling it?
In a trip, Kiran travelled 50 miles per hour for 3 hours on bike. Further he travelled by car for 2 hours at 65 miles per hour. He stopped for 2 hours for rest. After rest he travelled on bike for 4 hours at 80 miles per hour to reach his destination. Find Kiran’s average speed for the entire journey. (in miles per hour) (Rounded off to two places of decimals)
In 2010, the population of a country was 256080000. By 2020, the population had increased by 10 percent. The population in 2020 is:
What will be the volume of the largest sphere which can be carved out of a cube of side 6 cm?